CN214543217U

CN214543217U - Switch board with heat dissipation function

Info

Publication number: CN214543217U
Application number: CN202120603863.3U
Authority: CN
Inventors: 杨志朋; 龚永康
Original assignee: Shanghai Kangda Power Installation Engineering Co ltd
Current assignee: Shanghai Kangda Power Installation Engineering Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-10-29
Anticipated expiration: 2031-03-24

Abstract

The application relates to the field of power distribution cabinets, in particular to a power distribution cabinet with a heat dissipation function, which comprises a cabinet body with an opening at one side, wherein a cabinet door is hinged to one side of the cabinet body, an axial flow fan is arranged on the cabinet door, and an air outlet of the axial flow fan is positioned on the inner side of the cabinet door; the side wall of the cabinet body is provided with a heat dissipation hole, a light blocking piece is arranged in the heat dissipation hole, and the top end of the blocking piece is hinged with the side wall of the cabinet body; the bottom surface in the radiating hole is fixedly provided with a limiting strip, and the bottom end of the baffle sheet can be close to the limiting strip or far away from the limiting strip towards the outer side of the cabinet body; the inner side of the cabinet door is fixedly provided with a mounting frame, one side of the mounting frame, which is far away from the cabinet body, is detachably connected with a separation plate, and an axial flow fan is embedded in the separation plate; an air inlet hole is formed in the cabinet door. This application has the effect that reduces the probability that the foreign matter got into the switch board inside through the louvre.

Description

Switch board with heat dissipation function

Technical Field

The application relates to the field of power distribution cabinets, in particular to a power distribution cabinet with a heat dissipation function.

Background

At present, the power distribution cabinet is the final-stage equipment of a power distribution system, and distributes the electric energy of a certain circuit of the upper-stage power distribution equipment to nearby loads. The normal 24 hours uninterrupted duty of switch board, therefore the heat that the inside production of switch board is piled up continuously can lead to the inside intensification of switch board.

The common mode of radiating to the switch board is for seting up a plurality of louvres on the radiator cabinet, adds the fan in the cabinet body simultaneously in order to form the circulated air with the internal heat of cabinet by the louvre discharge. But simultaneously, the foreign matter also can get into cabinet body inside through the louvre, and then causes the influence to the operation of the internal components and parts of cabinet.

In view of the above-mentioned related art, the inventor thinks that there is the defect that foreign matter gets into the switch board inside through the louvre.

SUMMERY OF THE UTILITY MODEL

Get into the inside probability of switch board in order to reduce the foreign matter through the louvre, this application provides a switch board with heat dissipation function.

The application provides a switch board with heat dissipation function adopts following technical scheme:

a power distribution cabinet with a heat dissipation function comprises a cabinet body with an opening at one side, wherein a cabinet door is hinged to the opening side of the cabinet body, an axial flow fan is arranged on the cabinet door, and an air outlet of the axial flow fan is positioned on the inner side of the cabinet door; the side wall of the cabinet body is provided with a heat dissipation hole, a light blocking piece is arranged in the heat dissipation hole, and the top end of the blocking piece is hinged with the side wall of the cabinet body; the bottom surface in the radiating hole sets firmly spacing, and the bottom of separation blade can be close to spacing or keep away from spacing to the outside of the cabinet body.

By adopting the technical scheme, when the cabinet door is closed, the axial flow fan introduces air outside the cabinet door into the cabinet body, the air pressure in the cabinet body is increased, the baffle sheet positioned in the heat dissipation hole is blown, the bottom end of the baffle sheet is far away from the heat dissipation hole towards the inner side and the outer side of the cabinet body, and the air in the cabinet body can carry heat in the cabinet body and is discharged through the heat dissipation hole; when axial fan was out of work, the separation blade was in vertical state and was contradicted by spacing under the action of gravity, and the louvre is sheltered from, and external air and foreign matter can not make the separation blade to the internal side rotation of cabinet, have reduced the probability that the foreign matter got into the internal portion of cabinet through the louvre.

Optionally, a mounting frame is fixedly arranged on the inner side of the cabinet door, a partition plate is detachably connected to one side of the mounting frame, which is far away from the cabinet body, and the axial flow fan is embedded in the partition plate; an air inlet hole is formed in the cabinet door.

Through adopting above-mentioned technical scheme, on the installing frame was located to the division board, axial fan was embedded on the division board simultaneously for axial fan and division board all are convenient for install and tear open, and the workman of being convenient for assembles and overhauls the change.

Optionally, the air inlet hole is formed in the position, close to the top end, of the cabinet door, and the axial flow fan is located at the position, close to the bottom end of the cabinet door, of the isolation plate.

Through adopting above-mentioned technical scheme, the fresh air inlet is located the cabinet door and is close to the position on top, has reduced near the moisture on ground and has passed through the fresh air inlet and get into the internal probability of cabinet, makes the probability of the components and parts short circuit of the internal portion of cabinet simultaneously reduce, has promoted the stability of the internal components and parts of cabinet.

Optionally, a filter screen is fixedly arranged on one side of the isolation plate close to the cabinet door, and one side of the filter screen abuts against the inner side of the cabinet door.

Through adopting above-mentioned technical scheme, the air through the fresh air inlet gets into the cavity between division board and the internal side of cabinet, and the air can be filtered the foreign matter through the filter screen simultaneously, has reduced the probability that the foreign matter passes through axial fan and gets into the internal portion of cabinet.

Optionally, the isolation net is arranged obliquely.

Through adopting above-mentioned technical scheme, the slope of separation net sets up can increase filterable area, can promote filterable efficiency, simultaneously because the area of filter screen is big, has reduced the probability that the filter screen was blockked up completely for the air inlet is stable.

Optionally, a dehumidification box is fixedly arranged on the inner wall of the cabinet body, a plurality of through holes are formed in the side wall and the bottom wall of the dehumidification box, and dehumidification blocks are placed in the dehumidification box.

Through adopting above-mentioned technical scheme, the moisture of the internal portion of cabinet can be adsorbed by the dehumidification piece for the internal portion of cabinet keeps dry and has reduced the probability that the internal portion components and parts of cabinet take place the short circuit, has also reduced the probability that the cabinet body is corroded.

Optionally, the bottom of dehumidification box sets firmly collects the fill, and the intercommunication has the honeycomb duct on collecting the fill, and the one end of honeycomb duct is passed cabinet side wall and is located the external side of the cabinet.

Through adopting above-mentioned technical scheme, moisture in the dehumidification piece can get into in the hand collection fill then by the outside the nozzle discharge cabinet body through the through-hole under the action of gravity for the cabinet is internal can keep dry.

Optionally, the heat dissipation holes are arranged on at least two side walls of the cabinet body, and the heat dissipation holes are higher than the axial flow fan.

By adopting the technical scheme, the heat dissipation holes are higher than the axial flow fan, so that gas blown out by the axial flow fan is discharged through the heat dissipation holes after moving upwards, the movement path of the gas is increased, and the heat dissipation effect is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the cabinet door is closed, the axial flow fan introduces air outside the cabinet door into the cabinet body, the air pressure in the cabinet body is increased, the separation blade in the heat dissipation hole is blown, the bottom end of the separation blade is far away from the heat dissipation hole towards the inner side and the outer side of the cabinet body, and the air in the cabinet body can carry heat in the cabinet body and is discharged through the heat dissipation hole; when the axial flow fan does not work, the baffle is in a vertical state under the action of gravity and is abutted by the limiting strips, the heat dissipation holes are shielded, the baffle cannot be rotated towards the inner side of the cabinet body by external air and foreign matters, and the probability that the foreign matters enter the interior of the cabinet body through the heat dissipation holes is reduced;

2. air passing through the air inlet hole enters a cavity between the isolation plate and the inner side of the cabinet body, and meanwhile, foreign matters can be filtered out of the air through the filter screen, so that the probability that the foreign matters enter the cabinet body through the axial flow fan is reduced;

3. the heat dissipation holes are higher than the axial flow fan, so that the air blown out by the axial flow fan moves upwards and is discharged through the heat dissipation holes, the movement path of the air is increased, and the heat dissipation effect is improved.

Drawings

Fig. 1 is an overall schematic diagram of a power distribution cabinet in an embodiment of the present application;

fig. 2 is an explosion structure schematic diagram of a power distribution cabinet in the embodiment of the present application.

Description of reference numerals: 1. a cabinet body; 11. heat dissipation holes; 12. a baffle plate; 13. a limiting strip; 2. a cabinet door; 21. an axial flow fan; 22. an air inlet hole; 23. installing a frame; 24. a separator plate; 25. filtering with a screen; 3. a dehumidification box; 31. a dehumidification block; 32. a through hole; 33. a collecting hopper; 34. and a flow guide pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses switch board with heat dissipation function, refer to fig. 1 and fig. 2, it includes the cabinet body 1 and cabinet door 2, and one side opening of the cabinet body 1, cabinet door 2 articulate on the lateral wall of the cabinet body 1 and can close with opening one side lid of the cabinet body 1. The cabinet door 2 is provided with an axial flow fan 21 for introducing external air into the cabinet body 1; the lateral wall of the cabinet body 1 is provided with a heat radiation hole 11, a light blocking piece 12 is hinged in the heat radiation hole 11, the blocking piece 12 can block the heat radiation hole 11 in a vertical state, and meanwhile the bottom end of the blocking piece 12 can be far away from the heat radiation hole 11 to the inner side and the outer side of the cabinet body 1 to open the heat radiation hole 11. When the axial flow fan 21 does not work and the cabinet 1 does not need heat dissipation, the blocking piece 12 is in a vertical state to shield the heat dissipation hole 11 so as to reduce the entering of foreign matters.

Referring to fig. 1 and 2, a rectangular mounting frame 23 is arranged on the inner side of a cabinet door 2, one side of an opening of the mounting frame 23 is welded with the inner side of the cabinet door 2, a rectangular isolation plate 24 is connected to one side of the mounting frame 23, which is far away from the cabinet door 2, through bolts, an axial flow fan 21 is embedded in the isolation plate 24, an air inlet of the axial flow fan 21 is located in a cavity formed by the cabinet door 2, the isolation plate 24 and the mounting frame 23, and an air outlet of the axial flow fan 21 is far away from the cabinet door 2; a plurality of ventilation holes communicated cavities are formed in the cabinet door 2, the ventilation holes are located at positions, close to the top end, of the cabinet door 2, the axial flow fan 21 is arranged at a position, close to the bottom end of the isolation plate 24, and the topmost end of the axial flow fan 21 is lower than the air inlet hole 22. When the cabinet door 2 is covered with the cabinet body 1, the isolation plate 24 and the mounting frame 23 are both accommodated in the cabinet body 1.

Referring to fig. 1 and 2, a metal filter screen 25 is welded on one side of the isolation plate 24 close to the cabinet door 2, the filter screen 25 is obliquely arranged, and one end of the filter screen 25 far away from the isolation plate 24 is abutted to the inner side of the cabinet door 2. The external air enters the cavity through the vent hole and then passes through the filter screen 25 so that the foreign matters are filtered; the gas is insufflated into the cabinet body 1 through the axial flow fan 21, the gas in the cabinet body 1 carries heat and is discharged through the heat dissipation holes 11, so that circulating air is formed in the cabinet body 1, and the temperature in the cabinet body 1 is reduced.

Referring to fig. 1 and 2, the heat dissipation holes 11 are rectangular holes, and two heat dissipation holes 11 are formed in the side walls of two opposite sides of the cabinet body 1; and each heat dissipation hole 11 is higher than the axial flow fan 21. The separation blade 12 is the aluminum alloy material, and the top welding of separation blade 12 has the axis of rotation, and the both ends of axis of rotation are connected with the lateral wall rotation of the cabinet body 1 that the louvre 11 corresponds the end in the horizontal direction. The bottom surface in the heat dissipation hole 11 is welded with a limiting strip 13 along the horizontal direction, and the limiting strip 13 is close to the inner side of the cabinet body 1; the axial flow fan 21 does not work, the baffle sheet 12 is in a vertical state in a natural state, and at the moment, the baffle sheet 12 abuts against the limiting strip 13 towards one side of the cabinet body 1; the axial flow fan 21 blows air to the inside of the cabinet body 1 when working, the baffle sheet 12 is blown by the air, the baffle sheet 12 rotates along the rotating shaft, and meanwhile, the bottom of the baffle sheet 12 is far away from the limiting strip 13.

Referring to fig. 1 and 2, cabinet body 1 internal weld has dehumidification box 3 of rectangle, and the top of dehumidification box 3 is uncovered, and a plurality of through-holes 32 have all been seted up to the lateral wall and the bottom of dehumidification box 3, has placed the dehumidification piece 31 of water-absorbent resin material in the dehumidification box 3, and the inside moisture of cabinet body 1 can be adsorbed by dehumidification piece 31. The bottom of dehumidification box 3 is equipped with collects and fights 33, and the water that dehumidification piece 31 absorbed gets into collection through the through-hole 32 of dehumidification box 3 bottom under the action of gravity and fights 33 in, and the bottom intercommunication that collects fights 33 has honeycomb duct 34, and the other end of honeycomb duct 34 passes cabinet 1 lateral wall and is located the cabinet 1 outside, and the water that collects in the fill 33 can be got rid of cabinet 1 by honeycomb duct 34.

The implementation principle of a switch board with heat dissipation function of the embodiment of this application does: axial fan 21 operates, and the air in the cabinet body 1 outside gets into the cavity of cabinet door 2 and division board 24 through fresh air inlet 22, then through the filtration reserve axial fan 21 introduction cabinet body 1 inside of filter screen 25, the gas flow of the cabinet body 1 inside makes separation blade 12 atress rotate, and spacing 13 is kept away from to the cabinet body 1 outside to the bottom of separation blade 12, and louvre 11 can make gas carry heat discharge cabinet body 1, and the temperature in the cabinet body 1 obtains reducing. When the cabinet body 1 does not need to dissipate heat, the axial flow fan 21 stops, the separation blade 12 is in a vertical state at the moment, the wind and the foreign matters outside the cabinet body 1 exert force towards the cabinet body 1 on the separation blade 12, the separation blade 12 is blocked by the limiting strip 13 and cannot rotate towards the inner side of the cabinet body 1, the heat dissipation holes 11 are blocked, and the probability that the foreign matters enter the cabinet body 1 is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a switch board with heat dissipation function which characterized in that: the air conditioner comprises a cabinet body (1) with an opening at one side, wherein a cabinet door (2) is hinged to the opening side of the cabinet body (1), an axial flow fan (21) is arranged on the cabinet door (2), and an air outlet of the axial flow fan (21) is positioned on the inner side of the cabinet door (2); the side wall of the cabinet body (1) is provided with heat dissipation holes (11), light blocking pieces (12) are arranged in the heat dissipation holes (11), and the top ends of the blocking pieces (12) are hinged with the side wall of the cabinet body (1); the bottom surface in louvre (11) sets firmly spacing (13), and spacing (13) are kept away from to the outside of the cabinet body (1) or can be close to spacing (13) in the bottom of separation blade (12).

2. The power distribution cabinet with the heat dissipation function according to claim 1, characterized in that: a mounting frame (23) is fixedly arranged on the inner side of the cabinet door (2), one side, away from the cabinet body (1), of the mounting frame (23) is detachably connected with a partition plate (24), and the axial flow fan (21) is embedded in the partition plate (24); an air inlet hole (22) is formed in the cabinet door (2).

3. The power distribution cabinet with the heat dissipation function according to claim 2, characterized in that: the position that cabinet door (2) are close to the top is located air inlet (22), and axial fan (21) are located division board (24) and are close to the position of cabinet door (2) bottom.

4. The power distribution cabinet with the heat dissipation function according to claim 2, characterized in that: one side of the isolation plate (24) close to the cabinet door (2) is fixedly provided with a filter screen (25), and one side of the filter screen (25) is abutted against the inner side of the cabinet door (2).

5. The power distribution cabinet with the heat dissipation function according to claim 4, wherein: the filter screen (25) is obliquely arranged.

6. The power distribution cabinet with the heat dissipation function according to claim 1, characterized in that: the inner wall of the cabinet body (1) is fixedly provided with a dehumidification box (3), the side wall and the bottom wall of the dehumidification box (3) are provided with a plurality of through holes (32), and a dehumidification block (31) is placed in the dehumidification box (3).

7. The power distribution cabinet with the heat dissipation function according to claim 6, wherein: the bottom of dehumidification box (3) sets firmly collects fill (33), collects and is fought (33) and go up the intercommunication and have honeycomb duct (34), and the one end of honeycomb duct (34) is passed cabinet body (1) lateral wall and is located the cabinet body (1) outside.

8. The power distribution cabinet with the heat dissipation function according to claim 1, characterized in that: the heat dissipation holes (11) are arranged on at least two side walls of the cabinet body (1) at the cabinet body (1), and the heat dissipation holes (11) are higher than the axial flow fan (21).